LOPE Notes week 2
LOPE Notes week 2 BSCI - 10002 - 002
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This 3 page Class Notes was uploaded by Katelyn Rinella on Tuesday January 26, 2016. The Class Notes belongs to BSCI - 10002 - 002 at Kent State University taught by Walter R Hoeh (P) in Fall 2015. Since its upload, it has received 49 views. For similar materials see LIFE ON PLANET EARTH in Biological Sciences at Kent State University.
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Date Created: 01/26/16
LOPE Notes Week 2 Community’s fit into an ecosystem, ecosystem consist on living an Abiotic things Abiotic- non-living things (water, soil) Structure of DNA: nucleotides Nucleotides have one of four bases Adenine Thymine Guanine Cytosine *Each organism continuously interacts with its environment* The dynamics of ecosystem depend on two main processes - Flow of energy - Recycling of chemical nutrients Within ecosystems *Energy is never created or destroyed * *Nutrients cycle* The cell is the level at which the properties of life emerge All life on earth uses DNA Cells are the lowest level of structure that can do all of the activities required for life. *All organisms are composed of cells* *viruses are not alive, they cannot reproduce, viruses don’t have cells* The prokaryotic cells- (bacteria, smaller, don’t have nuclei) Eukaryotic cells- most body mass is made of this, 10 times larger than prokaryotic cells most of the time. *Mature Red blood cells don’t have a nucleus* *Viruses use RNA or DNA* All cells use DNA as the chemical material of genes Genes- the units of inheritance that transmit information from parents to offspring *Genetic engineering has transformed the pharmaceutical industry and extended lives.* The entire “book” of genetic instructions that an organism inherits= Genome Taxonomy= the branch of biology that names and classifies species (Formalizes hierarchal order) Three domains of life - Bacteria - Archaea - Eukarya- kingdom plantae, fungi, Animalia Life evolves evolutionary view came into focus in 1859 when Charles Darwin published “ On the origin of species by means of natural selection” (not completely true, evolution was being talked about before Darwin) evolution- when things change natural selection- causes things to change LOPE Notes Week 2/Part B What is science? A method to answer questions about the natural world Science does not prove things It is a way of knowing Process of using observations and experiments to draw evidence-based conclusions How do scientists draw conclusions? Use best evidence available Summary of the scientific method: 1. Initial observations of a phenomenon 2. Study
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